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original uploader - Public Domain
Original uploader was Richard Arthur Norton (1958- ) -
Georg Honig (lithographer), Philipp Petri (daguerreotypist) - Public Domain
Gage Skidmore - CC BY-SA 3.0
Félix Nadar - Public Domain
unknown - Public Domain
Stephencdickson - CC BY-SA 4.0
Sf46 - Public Domain
National Geographic Society - Public Domain
anonymous - Public Domain
Goupil & Cie. Montmartre Paris - Public Domain
Cmichel67 - CC BY-SA 4.0
Social Security Administration - Public Domain
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Gonzaga, Chiquinha, 1847-1935
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Original uploader was calbear22 - Public Domain
Davis, Gray, 1942-....
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original uploader - Public Domain
Henry, R. L. (Robert Lee), 1864-1931
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Maria Paulowna, Grand Duchess, consort of Karl Friedrich, Grand Duke of Sachsen-Weimar-Eisenach, 1786-1859
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Ascherson, Paul, 1834-1913
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Original uploader was Richard Arthur Norton (1958- ) -
Collier, William, Jr.
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Georg Honig (lithographer), Philipp Petri (daguerreotypist) - Public Domain
Siebold, Eduard Caspar Jacob von, 1801-1861
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Young, Zina Diantha Huntington Jacobs Smith, 1821-1901
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Signorini, Telemaco, 1835-1901
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Gage Skidmore - CC BY-SA 3.0
Anderson, Paul, 1965-....
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Félix Nadar - Public Domain
Niboyet, Eugènie 1797-1883
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Carter, B. (Brandon)
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unknown - Public Domain
Exner, Siegmund, 1846-1926
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Penrose, Thomas, 1742-1779
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Boylston, Ward Nicholas, 1749-1828
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Stephencdickson - CC BY-SA 4.0
Playfair, Hugh Lyon, 1786-1861
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Sf46 - Public Domain
Morgan, Lorrie
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National Geographic Society - Public Domain
Tittmann, O. H. (Otto Hilgard), 1850-1938
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anonymous - Public Domain
Tuaillon, Louis, 1862-1919
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Delaval, John Hussey Delaval, Baron, 1728-1808
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Iannelli, Alfonso, 1888-1965
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Cobbold, T. Spencer (Thomas Spencer), 1828-1886
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unknown - Public Domain
Prang, Louis, 1824-1909
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Verrocchio, Andrea del, 1435?-1488
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Goupil & Cie. Montmartre Paris - Public Domain
Jalabert, Charles-François, 1819-1901
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Best, Mary Ellen, 1809-1891
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Cmichel67 - CC BY-SA 4.0
Watson, Albert, 1942-....
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Social Security Administration - Public Domain
Sullivan, Louis Wade, 1933-
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Finley, Robert, 1772-1817
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Sand, George, 1804-1876